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Marshall Priest
How do I fix this error?
This app can't be installed.
There are problems that prevent this package from being installed.
Apex Classes(classes/OpportunityAlertController.cls) Missing feature: Installing this package requires the following feature and its associated permissions: Apex Classes
There are problems that prevent this package from being installed.
Apex Classes(classes/OpportunityAlertController.cls) Missing feature: Installing this package requires the following feature and its associated permissions: Apex Classes
To install an app with Apex in professional edition, your app has to be a managed package that is certified. Only partners that meet the necessary requirements can have their app certified.
Another option is to upgrade your Salesforce edition to Enterprise edition.
make sense?